CVE-2021-26867

CRITICAL

Windows 10 and Windows Server 2016 - Remote Code Execution

Title source: llm

Windows Hyper-V Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 9.9

EPSS 0.0262

EPSS Percentile 83.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Status published

Products (6)

microsoft/windows_10 20h2

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 1909

microsoft/windows_server_2016 2004

Published Mar 11, 2021

Tracked Since Feb 18, 2026